Our #1900 Bracket Adapter will fit practically all wire frame railroad lanterns made after 1900, including the currently made #100 Watchman and Adlake Kero lanterns, as well as the obsolete Dietz Vesta and #39 Vulcan lanterns. Requires use with a marker lamp bracket. Will fit our #27, #28, and #33 brackets, as well as most American made Marker Lamp brackets, like the Adlake style #P232390.